Alīgarh, India
Alīgarh, India

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Yadav A.,Am University | Sharma V.R.,Am University | Singh P.P.,Helmholtz Center for Heavy Ion Research | Singh P.P.,TU Darmstadt | And 6 more authors.
Physical Review C - Nuclear Physics | Year: 2012

The probability of incomplete fusion in 13C+159Tb interactions has been measured in the energy range ≈4-7 MeV/nucleon. The variation of the incomplete fusion fraction has been studied in terms of projectile energy and type. Present results are compared with the existing 12C+159Tb data, where a strong projectile structure effect on the incomplete fusion fraction has been observed. It has been found that the probability of incomplete fusion is higher in the case of 12C than for a one-neutron rich 13C projectile. For better insight into the projectile structure effect, a systematic study is presented on the incomplete fusion measured in 12 ,13C,16O+159Tb and 12 ,13C,16O+181Ta systems by Singh and by Babu. The present analysis indicates a strong dependence of incomplete fusion probability on the α-Q value of the projectile at these low energies. © 2012 American Physical Society.


Ghosh S.,Career College | Malik S.,Sv College | Jain B.,P.A. College
Journal of Saudi Chemical Society | Year: 2012

The synthesis, characterization and diuretic activity of four new biologically active complexes of Mg(II) and VO(II) with bidentate Schiff base ligand acetazolamide-salicylaldimine (L) obtained from the inserted condensation of 5-acetamido-1,3,4-thiadiazole-2-sulphonamide (acetazolamide) with salicylaldehyde in a 1:1 molar ratio have been reported. Using this bidentate ligand complexes of Mg(II), Mn(II), Fe(II) and VO(II) with general formula ML 2 have been synthesized. The synthesized complexes were characterized by several techniques using elemental analysis, FT-IR, electronic spectra, TGA, mass, particle size analysis and molar conductance measurements. The elemental analysis data suggest the stoichiometry to be 1:2 [M:L]. The molar conductance measurements suggest non-electrolytic nature of the complexes. Infrared spectral data agreed with the coordination to the central metal ion through deprotonated phenolic oxygen and azomethine nitrogen atoms. On the basis of spectral studies, octahedral geometry is suggested for Mg(II), Mn(II), Fe(II) and square pyramidal geometry is suggested for VO(II) complexes. The pure drug, synthesized ligand and metal(II) complexes were screened for their antimicrobial activities against Eschericia coli, Bacillus subtilis, Aspergillus niger and Aspergillus flavous. The results show that the metal complexes were more active than the ligand and pure drug against these microbial species as expected. The ligand and its Mg(II) complexes was screened for their diuretic activity also. © 2011.


Saket R.K.,Banaras Hindu University | Varshney C.L.,Sv College | Maurya S.L.,Sv College
International Journal of Biomedical Engineering and Technology | Year: 2010

This paper describes the combined wall slip and reliable MHD steady flow of the conducting viscous incompressible fluid through channels permeable boundaries. The governing equations have been solved by Finite Difference Technique. The analytical results and conclusions have been presented and discussed through various graphs. Results presented in this paper revealed that the fluid velocity can be replaced by a magnetic field and the wall slip. Appropriate result shows that the wall skin friction increases with suction and decreases with injection. Copyright © 2010 Inderscience Enterprises Ltd.


Agarwal S.,Banasthali University | Saraswat Y.K.,SV College | Saraswat V.K.,Banasthali University
Macromolecular Symposia | Year: 2015

The presented work deals with the synthesis and thermal characterization of TiO2 filled Polycarbonate/Polystyrene (PC/PS) blend nanocomposites. Nanoparticles of Titanium-dioxide have been synthesized by simple chemical method. Average grain size of as prepared nanoparticles have been determined by both TEM and XRD. Titanium-dioxide Filled Polycarbonate/Polystyrene blend nanocomposites have been prepared by solution casting method. The XRD pattern and FTIR spectrum confirm the formation of blend nanocomposites. Differential Scanning Calorimetry (DSC) has been used to study thermal properties. The DSC thermograms indicate that the glass transition temperature and hence thermal stability of nanocomposites enhances with addition of filler content. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.


Ghosh S.,Sv College | Malik S.,Sv College
E-Journal of Chemistry | Year: 2010

Metal chelates of Ni(II) and Cu(II) with the ligand 5-acetamido- 1,3,4-thiadiazole-2-sulphonamide have been synthesized. The isolated compounds have been characterized by elemental analysis, molar conductivity, magnetic moment, electronic and IR spectral studies. The analytical data reflects the metal to ligand stoichiometry to be 1: 2. The conductivity data of the complexes also suggests their non-electrolytic nature. The stability constants and free energy change for the complexes have been calculated. Ligand and their complexes have been screened for their biological activity and the data show good activity of these complexes and ligands.


Gupta A.,Sv College | Gupta G.K.,Sv College | Jadon S.P.S.,Sv College
Oriental Journal of Chemistry | Year: 2015

On the basis of the results of instrumental analysis, it may be predicted that the adduct is good conductor, paramagnetic in nature having triclinic geometrical packing of the molecule.


Gupta G.K.,Sv College | Jadon S.P.S.,Sv College
Oriental Journal of Chemistry | Year: 2014

The complex of Mn (II) compound with Se4N3Br synthesized, was analyzed by U.V., E.P.R. and X.R.D. spectra. From the results, it is evident that the complex is good conductor, having paramagnetic character and orthorhombic geometry. Se4N3Br Orthorhombic Geometry Magnetic susceptibility.


Kumar M.,Sv College | Agrawal A.,Nrec College | Kumar R.,Guru Gobind Singh Indraprastha University
Physics Procedia | Year: 2015

The present study was conducted to measure integrated radon and thoron concentration levels in dwellings of Aligarh city and around the thermal power station situated in Aligarh District. Solid State Nuclear Track Detectors (LR-115, TYPE-II) based twin cup dosimeters were used for this purpose. Radon and thoron progeny concentration levels in terms of Potential Alpha Energy Concentrations (PAECs) and annual effective dose received by the inhabitants in studied dwellings were estimated from observed values of radon and thoron gas concentrations. The evaluated mean values of radon and thoron gas concentration in Aligarh city were 30.3 Bqm-3 (SD =10.6) and 10.2 Bqm-3 (SD =6.1) respectively and around thermal power station 23.6Bqm-3(SD = 5.2) and 7.7 Bqm-3 (SD= 1.9) respectively. The evaluated mean value of radon and thoron progeny concentration were 3.3 mWL (SD=1.1) and 1.1 mWL (SD= 0.7) respectively, in Aligarh city and 2.6 mWL (SD=0.6) and 0.8 mWL (SD= 0.2) around thermal power station. The estimated average value of annual effective dose in studied dwellings was 0.9 mSv (SD= 0.3) in Aligarh city and 0.7 mSv (SD= 0.2) around thermal power station. © 2015 The Authors.


Kumar M.,Sv College | Agrawal A.,Nrec College | Kumar R.,Guru Gobind Singh Indraprastha University
Journal of Radioanalytical and Nuclear Chemistry | Year: 2014

Twin cup pin-hole dosimeters having LR-115 as the detector were used to measure the concentration of radon and thoron in the dwellings of Firozabad city of Uttar Pradesh State in India. The mean values of radon, thoron, radon progeny and thoron progeny concentrations were found to be 37.4 Bqm−3, 13.7 Bqm−3, 4.0 and 1.5 mWL respectively. The average value of annual effective dose equivalent to the inhabitants of Firozabad city was found to be 1.1 mSv and is below the action level as recommended by the ICRP. © 2014, Akadémiai Kiadó, Budapest, Hungary.


PubMed | Sv College
Type: Journal Article | Journal: Ancient science of life | Year: 2012

Many diseases are being spread in the word by micro organisms. This necessitates the development of cost effective and easily available antimicrobial medicines. Plants have generally been source of alkaloids, steroids, terpenoids, carbohydrates, amino acids, vitamins, glycosides and various pigments. The chemical exploitation of varieties of indigenous plants is therefore likely to offer a cost effective treatment for many diseases leading to the development of the nation and welfare of the society. The present communication reports that hydrocarbons, triterpenes and phytosterols present in Alstonia scholaris, are responsible for its medicinal value.

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